Red Hat Inc RHT 0.16% shares jumped more than 4.2 percent Tuesday after the company’s second-quarter earnings report topped market expectations.

PTC Therapeutics, Inc. PTCT 0.68% is already experiencing some major volatility Tuesday ahead of its upcoming AdCom meeting for Duchenne muscular dystrophy drug candidate Translarna on Thursday. The stock took a 22-percent dive Tuesday morning ahead of the meeting as investors have started to doubt an FDA approval following the release of FDA briefing documents Tuesday morning.

Alphabet Inc GOOG 0.38% GOOGL 0.32%’s dominant market share lead in the internet search business just got a little bit bigger. Apple Inc. AAPL 0.17% has announced it will be switching from Microsoft Corporation MSFT 1.16%’s Bing search engine to Google for all its default Siri searches. In addition, Apple will now be using Google to power all its iOS and Spotlight searches…

After a big post-election surge in 2016, bank stocks have mostly lagged the market so far in 2017. In a new note Monday, Deutsche Bank analyst Matt O’Connor said things will only get worse for banks from here.

A disappointing month of September for Apple Inc. AAPL 0.17%investors got even worse on Monday when a broad tech sector sell-off dragged the stock down another 0.8 percent. However, BlueFin Research Partners analyst John Donovan told clients Monday that they shouldn’t be too concerned about the negative Apple headlines or the stock’s 6.0 percent decline since its iPhone event…

Investors hungry for pure-play artificial intelligence companies have sent share prices of a handful of smaller tech companies soaring in recent weeks. Here’s a look at eight stocks with an emphasis on AI that may still be mostly under-the-radar.

Since Sept. 1, the price of bitcoin has plummeted 26.3 percent amid negative headlines out of China and bearish commentary from notable Wall Street investors. On Sept. 22, JPMorgan Chase & Co. JPM 1.43% CEO Jamie Dimon doubled down on his anti-bitcoin rhetoric, but JPMorgan has actually been buying bitcoin on the September dip.

The U.S. retail industry had been hammered in 2017, with the SPDR S&P Retail (ETF) XRT 1.22% down 6.7 percent year to date. However, a handful of discount retailers have offered investors a safe haven from the carnage, and Morgan Stanley analyst Vincent Sinisihas taken the opportunity to upgrade both Big Lots, Inc. BIG 0.92%and Ollie’s Bargain Outlet Holdings Inc OLLI 1.58%.

On Monday morning, PPG Industries, Inc. PPG 3.02% updated its guidance and informed investors that the recent natural disasters, including hurricanes Maria, Irma and Harvey and the earthquakes in Mexico, will cost the company between 5 and 10 cents in diluted EPS in the third quarter. Despite the negative impact, PPG shares continued their bullish momentum on Monday, suggesting the market is…

After a disastrous start to 2017, crude oil prices have been making an under-the-radar recovery in recent weeks, with WTI prices pushing meaningfully above $51/bbl on Monday for the first time since May. On Monday, UBS analyst Angie Sedita said she sees clear signs of a slow recovery in the global oil market and upgraded a handful of offshore oil drillers.